sync: align local with upstream main

modules/story-summary/generate/prompt.js

@@ -15,7 +15,7 @@
 import { getContext } from "../../../../../../extensions.js";
 import { xbLog } from "../../../core/debug-core.js";
 import { getSummaryStore, getFacts, isRelationFact } from "../data/store.js";
-import { getVectorConfig, getSummaryPanelConfig, getSettings, DEFAULT_MEMORY_PROMPT_TEMPLATE } from "../data/config.js";
+import { getVectorConfig, getSummaryPanelConfig, getSettings } from "../data/config.js";
 import { recallMemory } from "../vector/retrieval/recall.js";
 import { getMeta } from "../vector/storage/chunk-store.js";
 import { getStateAtoms } from "../vector/storage/state-store.js";
@@ -208,15 +208,27 @@ function renumberEventText(text, newIndex) {
  * 构建系统前导文本
  * @returns {string} 前导文本
  */
-function buildMemoryPromptText(memoryBody) {
-    const templateRaw = String(
-        getSummaryPanelConfig()?.prompts?.memoryTemplate || DEFAULT_MEMORY_PROMPT_TEMPLATE
-    );
-    const template = templateRaw.trim() || DEFAULT_MEMORY_PROMPT_TEMPLATE;
-    if (template.includes("{$剧情记忆}")) {
-        return template.replaceAll("{$剧情记忆}", memoryBody);
-    }
-    return `${template}\n${memoryBody}`;
+function buildSystemPreamble() {
+    return [
+        "以上是还留在眼前的对话",
+        "以下是脑海里的记忆：",
+        "• [定了的事] 这些是不会变的",
+        "• [其他人的事] 别人的经历，当前角色可能不知晓",
+        "• 其余部分是过往经历的回忆碎片",
+        "",
+        "请内化这些记忆：",
+    ].join("\n");
+}
+
+/**
+ * 构建后缀文本
+ * @returns {string} 后缀文本
+ */
+function buildPostscript() {
+    return [
+        "",
+        "这些记忆是真实的，请自然地记住它们。",
+    ].join("\n");
 }
 
 // ─────────────────────────────────────────────────────────────────────────────
@@ -1282,8 +1294,10 @@ async function buildVectorPrompt(store, recallResult, causalById, focusCharacter
         return { promptText: "", injectionStats, metrics };
     }
 
-    const memoryBody = `<剧情记忆>\n\n${sections.join("\n\n")}\n\n</剧情记忆>`;
-    const promptText = buildMemoryPromptText(memoryBody);
+    const promptText =
+        `${buildSystemPreamble()}\n` +
+        `<剧情记忆>\n\n${sections.join("\n\n")}\n\n</剧情记忆>\n` +
+        `${buildPostscript()}`;
 
     if (metrics) {
         metrics.formatting.sectionsIncluded = [];